<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<video  width="500px" height="300px"  style="width: 100%;height: 100%" autoplay="autoplay" >
    <source type="video/mp4"  src="word.mp4">
</video>
</body>
</html>